Structural, Morphological and Optical Investigations on Electron-Beam Irradiated PbF2-TeO2-B2O3-Eu2O3 Glasses

Wagh, Akshatha and Petwa, Vikash and Dwivedi, Jish and Upadhyaya, V and Raviprakash, Y and Kamath, Sudha D (2016) Structural, Morphological and Optical Investigations on Electron-Beam Irradiated PbF2-TeO2-B2O3-Eu2O3 Glasses. Radiation Physics and Chemistry, 126 (19). pp. 37-48. ISSN 0969-806X

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Abstract

Combined structural, optical and morphological studies were carried out on Eu2O3 doped PbF2-TeO2-B2O3 glass samples, before and after being subjected to electron beam of energy 7.5 MeV. XRD confirmed the amorphous nature of the glasses even after 150 kGy electron beam irradiation. Densities of the irradiated samples showed slightly greater values when compared to their respective values before irradiation, which proved the increase in the compaction of the network. The intensities of the three prominent bands; B-O-B linkages, BO4 units and BO3 units of FT-IR spectra, of the titled glasses, showed slight decrease after electron beam irradiation. The decrement in the values of energy band gap and shift in cut-off wavelength towards red edge, proved the formation of color centers in the glass network after irradiation. The change in Hunter L values, through color measurement was a proof for the Farbe / color / absorption centers created in the glass sites after irradiation

Item Type: Article
Uncontrolled Keywords: Eu2O3, Electron beam irradiation, Oxide ion polarizability, FT-IR, EDAX, Hunter L.
Subjects: Engineering > MIT Manipal > Physics
Depositing User: MIT Library
Date Deposited: 19 Jul 2016 11:51
Last Modified: 19 Jul 2016 11:51
URI: http://eprints.manipal.edu/id/eprint/146644

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